<template>
  <div class="container" @click="handleGallaryClick">
    <div class="wrapper">
      <swiper :options="swiperOptions">
      <!-- 添加v-if="List.length"  当传递进来的值是一个空数组的时候v-if的值是false swiper不会被创建，只有当真正的数据过来后，才会被创建-->
        <swiper-slide v-for="(item, index) in imgs" :key="index">
          <img class="gallary-img" :src="item">
        </swiper-slide>
        <div class="swiper-pagination" slot="pagination" ></div>
      </swiper>
    </div>
  </div>
</template>

<script>
export default {
  name: 'CommonGallary',
  props: {
    imgs: {
      type: Array,
      default () {
        return []
      }
    }
  },
  data () {
    return {
      swiperOptions: {
        pagination: '.swiper-pagination',
        paginationType: 'fraction',
        observeParents: true,
        observer: true /* 自动刷新 宽度计算的问题 轮播图出现问题解决 */
      }
    }
  },
  methods: {
    handleGallaryClick () {
      this.$emit('close')
    }
  }
}
</script>

<style scoped>
  .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 99;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #000;
  }
  .wrapper {
    overflow: hidden;
    height: 0;
    width: 100%;
    padding-bottom: 100%
  }
  .gallary-img {
    width: 100%
  }
  .swiper-pagination {
    font-size: .24rem;
    color: #fff;
    bottom: -1rem;
  }
   .container >>> .swiper-container {
    overflow: initial
  }
</style>
